#!/bin/bash

# 获取用户输入的分数
read -p "请输入分数： " score
for i in {1..5} ; do
    
done
# 判断等级
if ((score >= 90 && score <= 100)); then
    echo "等级：优秀"
elif ((score >= 80 && score < 90)); then
    echo "等级：良好"
elif ((score >= 70 && score < 80)); then
    echo "等级：中等"
elif ((score >= 60 && score < 70)); then
    echo "等级：及格"
else
    echo "等级：不及格"
fi
